Enniskillenus

Enniskillenus; Temporal range: Early Eocene PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Carangiformes
Suborder:	Menoidei
Superfamily:	Xiphioidea
Family:	†Palaeorhynchidae
Genus:	†Enniskillenus; Casier, 1966
Species:	†E. radiatus
Binomial name
	†Enniskillenus radiatus; Casier, 1966 ex Agassiz, 1833

Enniskillenus is an extinct genus of prehistoric billfish from the Eocene of Europe. It contains a single species, E. radiatus from the Early Eocene-aged London Clay of England.^[1]^[2]

The species was first improperly named without a description (as Ptychocephalus radiatus) by Agassiz (1833), and later assigned as an indeterminate member of Palaeorhynchus by Woodward (1901).^[3] It was properly described by Casier in 1966,^[3] who placed it in the new genus Enniskillenus, named in honor of William Cole, 3rd Earl of Enniskillen, who collected fossil fish and donated specimens to the British Museum.^[4]

Although often often placed in the primitive billfish family Palaeorhynchidae, most specimens of Enniskillenus do not preserve enough traits for a refined classification, though their vertebral morphology and rostra confirm that they are at least billfish.^[3]

References

Enniskillenus, Paleobiology Database

^ "PBDB Taxon". paleobiodb.org. Retrieved 2024-12-29.
^ "Enniskillenus radiatus – London Clay Fossils". Retrieved 2024-12-29.
^ ^a ^b ^c Monsch, Kenneth A. (2004). "Revision of the scombroid fishes from the Cenozoic of England". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 95 (3–4): 445–489. doi:10.1017/S0263593300001164. ISSN 1755-6929.
^ Friedman, Matt; Beckett, Hermione T.; Close, Roger A.; Johanson, Zerina (2016). "The English Chalk and London Clay: two remarkable British bony fish Lagerstätten". Geological Society, London, Special Publications. 430 (1): 165–200. doi:10.1144/SP430.18.

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[1] "PBDB Taxon". paleobiodb.org. Retrieved 2024-12-29.

[2] "Enniskillenus radiatus – London Clay Fossils". Retrieved 2024-12-29.

[:0-3] Monsch, Kenneth A. (2004). "Revision of the scombroid fishes from the Cenozoic of England". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 95 (3–4): 445–489. doi:10.1017/S0263593300001164. ISSN 1755-6929.

[4] Friedman, Matt; Beckett, Hermione T.; Close, Roger A.; Johanson, Zerina (2016). "The English Chalk and London Clay: two remarkable British bony fish Lagerstätten". Geological Society, London, Special Publications. 430 (1): 165–200. doi:10.1144/SP430.18.

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